. >> if all the technologies we have in solar pulse were used everywhere in the world the world could divide by two its energy consumption and produce half its needs with renewable sources. >> pilots were testing the wings to prepare for a cross- country flight next week. cool. >> indeed. coming up, next half hour, forget calorie counts. there is a new plan that could change the way you look at fast food menus. >> and i look in the boat over here, on the floor, and i see blood. >> the man who broke the boston bombing case wide open, he describes the chilling moments when he found the surviving suspects. >>> inattention or ignorance, more criticism for caltrans ahead of a meeting today. we'll tell you what we're expecting next. ,, ,,,,,,,,,,,,,,,,,,,,,, >> your realtime captioner: linda marie macdonald bad bolts on the bay bridge. transportation experts are holding their third meeting today as more highly regarded experts weigh in on the situation. >> new images of the gun battle involving the boston marathon suspects. where the men were caught by materials just weeks before the blast.